Palladium diffusion in germanium

被引：0
|
作者：
A. Chroneos
R. V. Vovk
机构：
[1] Imperial College London,Department of Materials
[2] Coventry University,Faculty of Engineering and Computing
[3] V. Karazin Kharkiv National University,Physics Department
来源：
Journal of Materials Science: Materials in Electronics | 2015年 / 26卷
关键词：
GeO2; Attempt Frequency; Isothermal Bulk Modulus; Interstitial Diffusion; Hybrid Density Functional Theory;
D O I：
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中图分类号：
学科分类号：
摘要：
Palladium diffusion in germanium is fundamentally and technologically important as it has an extremely low activation energy and this can impact metal induced lateral crystallisation to produce large grain crystals. Recent theoretical studies calculated that the activation energy of migration of palladium in germanium is 0.03 eV. This constitute the experimental determination of the palladium diffusion properties very difficult. In the present study we calculate palladium diffusivity in germanium by employing theoretical results and comparing to the diffusion of copper in germanium. Finally, by employing a thermodynamic model we derive a relation describing palladium diffusivity to bulk materials properties.
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页码：3787 / 3789
页数：2
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